164 lines
4.0 KiB
C++
164 lines
4.0 KiB
C++
#define GLM_ENABLE_EXPERIMENTAL
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#include <glm/gtc/noise.hpp>
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#if GLM_LANG & GLM_LANG_CXX11_FLAG
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#include <gli/gli.hpp>
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std::size_t const Size = 64;
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int test_simplex()
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{
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::simplex(glm::vec2(x / 64.f, y / 64.f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_simplex2d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::simplex(glm::vec3(x / 64.f, y / 64.f, 0.5f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_simplex3d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::simplex(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_simplex4d_256.dds");
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}
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return 0;
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}
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int test_perlin()
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{
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec2(x / 64.f, y / 64.f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin2d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin3d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin4d_256.dds");
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}
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return 0;
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}
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int test_perlin_pedioric()
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{
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec2(x / 64.f, y / 64.f), glm::vec2(2.0f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin_pedioric_2d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f), glm::vec3(2.0f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin_pedioric_3d_256.dds");
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}
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{
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gli::texture2d Texture(gli::FORMAT_RGBA8_UNORM_PACK8, gli::texture2d::extent_type(Size), 1);
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for(std::size_t y = 0; y < Size; ++y)
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for(std::size_t x = 0; x < Size; ++x)
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{
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glm::u8vec4 Pixel(glm::byte(glm::abs(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f), glm::vec4(2.0f))) * 255.f));
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Texture.store(gli::extent2d(x, y), 0, Pixel);
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}
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gli::save(Texture, "texture_perlin_pedioric_4d_256.dds");
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}
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return 0;
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}
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#endif//GLM_LANG & GLM_LANG_CXX11_FLAG
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int main()
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{
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int Error = 0;
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# if GLM_LANG & GLM_LANG_CXX11_FLAG
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Error += test_simplex();
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Error += test_perlin();
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Error += test_perlin_pedioric();
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# endif
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return Error;
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}
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